{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Conscious SHR ( male 300 - 350 g ) were subjected to 90 degrees head - up tilts for 60 s following acute administration of prazosin ( 0 . 1 mg kg - 1 i . p . ) or rauwolscine ( 3 mg kg - 1 i . v . ) ."}
{"Chemical": ["prazosin", "rauwolscine"], "Disease": []}